On Sat, Mar 02, 2024 at 05:20:42PM +0100, Krzysztof Kozlowski wrote:
> On 02/03/2024 16:42, Frank Li wrote:
> > On Sat, Mar 02, 2024 at 02:59:39PM +0100, Krzysztof Kozlowski wrote:
> >> On 01/03/2024 22:45, Frank Li wrote:
> >>> Allow 'power-domains' property because i.MX8DXL i.MX8QM and i.MX8QXP need
> >>> it.
> >>>
> >>> Fixed below DTB_CHECK warning:
> >>> dma-controller@599f0000: Unevaluated properties are not allowed ('power-domains' was unexpected)
> >>>
> >>> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> >>> ---
> >>>
> >>> Notes:
> >>> Change from v1 to v2
> >>> - using maxitem: 64. Each channel have one power domain. Max 64 dmachannel.
> >>> - add power-domains to 'required' when compatible string is fsl,imx8qm-adma
> >>> or fsl,imx8qm-edma
> >>>
> >>> .../devicetree/bindings/dma/fsl,edma.yaml | 15 +++++++++++++++
> >>> 1 file changed, 15 insertions(+)
> >>>
> >>> diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
> >>> index cf0aa8e6b9ec3..76c1716b8b95c 100644
> >>> --- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml
> >>> +++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
> >>> @@ -59,6 +59,10 @@ properties:
> >>> minItems: 1
> >>> maxItems: 2
> >>>
> >>> + power-domains:
> >>> + minItems: 1
> >>> + maxItems: 64
> >>
> >> Hm, this is odd. Blocks do not belong to almost infinite number of power
> >> domains.
> >
> > Sorry, what's your means? 'power-domains' belong to 'properties'.
> > 'maxItems' belong to 'power-domains'.It is similar with 'clocks'. what's
> > wrong?
>
> That one device belong to 64 power domains. That's just random code...
Yes, each dma channel have one power domain. Total 64 dma channel. So
there are 64 power-domains.
Frank
>
> Best regards,
> Krzysztof
>
